dxgid3d11.cpp revision 92bc1111f3c5dd3616bd591129aebd3f4307e5b4 
1/**************************************************************************
2 *
3 * Copyright 2010 Luca Barbieri
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "software"), to deal in the software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the software, and to
10 * permit persons to whom the software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 **************************************************************************/
26
27#include "d3d1xstutil.h"
28#include "galliumd3d11.h"
29#include <dxgi.h>
30#include "pipe/p_screen.h"
31#include "pipe/p_context.h"
32
33HRESULT D3D11CreateDevice(
34	IDXGIAdapter *adapter,
35	D3D_DRIVER_TYPE driver_type,
36	HMODULE software,
37	unsigned flags,
38	const D3D_FEATURE_LEVEL *feature_levels,
39	unsigned num_feature_levels,
40	unsigned sdk_version,
41	ID3D11Device **out_device,
42	D3D_FEATURE_LEVEL *feature_level,
43	ID3D11DeviceContext **out_immediate_context
44)
45{
46	HRESULT hr;
47	ComPtr<IDXGIAdapter1> adapter_to_release;
48	if(!adapter)
49	{
50		ComPtr<IDXGIFactory1> factory;
51		hr = CreateDXGIFactory1(IID_IDXGIFactory1, (void**)&factory);
52		if(!SUCCEEDED(hr))
53			return hr;
54		hr = factory->EnumAdapters1(0, &adapter_to_release);
55		if(!SUCCEEDED(hr))
56			return hr;
57		adapter = adapter_to_release.p;
58	}
59	ComPtr<IGalliumAdapter> gallium_adapter;
60	hr = adapter->QueryInterface(IID_IGalliumAdapter, (void**)&gallium_adapter);
61	if(!SUCCEEDED(hr))
62		return hr;
63	struct pipe_screen* screen;
64	// TODO: what should D3D_DRIVER_TYPE_SOFTWARE return? fast or reference?
65	if(driver_type == D3D_DRIVER_TYPE_REFERENCE)
66		screen = gallium_adapter->GetGalliumReferenceSoftwareScreen();
67	else if(driver_type == D3D_DRIVER_TYPE_SOFTWARE || driver_type == D3D_DRIVER_TYPE_WARP)
68		screen = gallium_adapter->GetGalliumFastSoftwareScreen();
69	else
70		screen = gallium_adapter->GetGalliumScreen();
71	if(!screen)
72		return E_FAIL;
73	struct pipe_context* context = screen->context_create(screen, 0);
74	if(!context)
75		return E_FAIL;
76	ComPtr<ID3D11Device> device;
77	hr = GalliumD3D11DeviceCreate(screen, context, TRUE, flags, adapter, &device);
78	if(!SUCCEEDED(hr))
79	{
80		context->destroy(context);
81		return hr;
82	}
83	if(out_immediate_context)
84		device->GetImmediateContext(out_immediate_context);
85	if(feature_level)
86		*feature_level = device->GetFeatureLevel();
87	if(out_device)
88		*out_device = device.steal();
89	return S_OK;
90}
91
92HRESULT WINAPI D3D11CreateDeviceAndSwapChain(
93	IDXGIAdapter* adapter,
94	D3D_DRIVER_TYPE driver_type,
95	HMODULE software,
96	unsigned flags,
97	CONST D3D_FEATURE_LEVEL* feature_levels,
98	unsigned num_feature_levels,
99	unsigned sdk_version,
100	CONST DXGI_SWAP_CHAIN_DESC* pSwapChainDesc,
101	IDXGISwapChain** out_swap_chain,
102	ID3D11Device** out_device,
103	D3D_FEATURE_LEVEL* feature_level,
104	ID3D11DeviceContext** out_immediate_context )
105{
106	ComPtr<ID3D11Device> dev;
107	ComPtr<ID3D11DeviceContext> ctx;
108	HRESULT hr;
109	hr = D3D11CreateDevice(adapter, driver_type, software, flags, feature_levels, num_feature_levels, sdk_version, (ID3D11Device**)&dev, feature_level, (ID3D11DeviceContext**)&ctx);
110	if(!SUCCEEDED(hr))
111		return hr;
112	if(out_swap_chain)
113	{
114		ComPtr<IDXGIFactory> factory;
115		ComPtr<IDXGIDevice> dxgi_device;
116		ComPtr<IDXGIAdapter> adapter;
117		hr = dev->QueryInterface(IID_IDXGIDevice, (void**)&dxgi_device);
118		if(!SUCCEEDED(hr))
119			return hr;
120
121		hr = dxgi_device->GetAdapter(&adapter);
122		if(!SUCCEEDED(hr))
123			return hr;
124
125		adapter->GetParent(IID_IDXGIFactory, (void**)&factory);
126		hr = factory->CreateSwapChain(dev.p, (DXGI_SWAP_CHAIN_DESC*)pSwapChainDesc, out_swap_chain);
127		if(!SUCCEEDED(hr))
128			return hr;
129	}
130	if(out_device)
131		*out_device = dev.steal();
132	if(out_immediate_context)
133		*out_immediate_context = ctx.steal();
134	return hr;
135}
136